linux-kernel - Re: dma-mapping commit breaks UML

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Date:	Wed, 29 Sep 2010 16:29:38 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: dma-mapping commit breaks UML

FUJITA Tomonori wrote at 15:20:38
> On Wed, 29 Sep 2010 11:55:30 +0200
> 
> Toralf **UNKNOWN CHARSET** <toralf.foerster@....de> wrote:
> > The
> > 
> > 4565f0170dfc849b3629c27d769db800467baa62 is the first bad commit
> > commit 4565f0170dfc849b3629c27d769db800467baa62
> > Author: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> > Date:   Tue Aug 10 18:03:22 2010 -0700
> > 
> >     dma-mapping: unify dma_get_cache_alignment implementations
> 
> I think that the commit f3c072ad727617f00bffae17dba8cd895f5b7bdb
> already fixed this breakage. You still have the issue with the latest
> git?

Argh,

I use a script for git-bisect to catch this compile error in the current git kernel v2.6.36-rc6-20-g8189b14 :

...
  CC      arch/um/kernel/trap.o
arch/um/drivers/hostaudio_kern.c: In function ‘hostaudio_open’:
arch/um/drivers/hostaudio_kern.c:204: error: ‘__param_dsp’ undeclared (first use in this function)
arch/um/drivers/hostaudio_kern.c:204: error: (Each undeclared identifier is reported only once
arch/um/drivers/hostaudio_kern.c:204: error: for each function it appears in.)
arch/um/drivers/hostaudio_kern.c: In function ‘hostmixer_open_mixdev’:
arch/um/drivers/hostaudio_kern.c:265: error: ‘__param_mixer’ undeclared (first use in this function)
arch/um/drivers/hostaudio_kern.c:272: error: ‘__param_dsp’ undeclared (first use in this function)
make[1]: *** [arch/um/drivers/hostaudio_kern.o] Error 1
make: *** [arch/um/drivers] Error 2
make: *** Waiting for unfinished jobs....
...

but catched another compile error -  how can I now automatically git-bisect for
that wrong commit w/o heavy scripting ? - Or simply asking who to blame wrt this compile error ?

-- 
MfG/Kind regards
Toralf Förster

pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

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